TAMPERPROOF DESIGN: Features a strong self-adhesive seal that protects packages from tampering while maintaining secure closure during transit PROTECTIVE CUSHIONING: Thick bubble interior lining provides superior protection for delicate items and prevents damage during shipping WATERPROOF CONSTRUCTION: Kraft material with waterproof and dustproof properties keeps contents safe from environmental elements EASY APPLICATION: Simple peel-and-seal mechanism allows for quick package preparation without additional tape or tools needed SIZE SPECIFICATIONS: Pack includes 10 mailers measuring 7.25 x 12 inches, perfect for shipping small items and documents with a usable inner space of 7.25 x 11 inches Protect your valuable items during shipping with these premium kraft bubble mailers. These #1 7.25" x 12" padded envelopes feature a strong self-adhesive tamperproof seal that keeps contents secure and prevents tampering. The thick bubble cushioning provides superior protection for your items against impacts and damage during transit. These versatile mailers are waterproof, dustproof, and designed for hassle-free use - simply peel and seal. The high-quality construction includes a durable kraft paper exterior combined with interior bubble cushioning. Each pack contains 10 mailers that are odorless and non-toxic, making them perfect for shipping small items, documents, jewelry, electronics, and more. The self-sealing design eliminates the need for additional tape while ensuring your packages stay sealed throughout the shipping process.